缅方负责下部构造设计和上、下部结构施工。
The design of the substructure and construction of the superstructure had been done by Myanmar side.
该文旨在通过具体数据，在桥型方案、上部构造、下部构造和基础方面提出一些控制桥梁造价的思路。
The article puts forward some thinking to control the bridge construction cost from the aspects of the bridge type scheme, superstructure, substructure and foundation on the detail data.
型桥台是公路桥梁下部结构常用的构造，在工程实践中，U型桥台常常出现开裂。
The U-shaped abutment is a common structure of infrastructure. However, the cracks often appear during the practice.
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